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CVE-2021-29631

Quick assessment

Affected
n/a FreeBSD
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

FreeBSD是Freebsd基金会的一套类Unix操作系统。 FreeBSD 存在安全漏洞，客户系统内的攻击者可以通过FreeBSD的bve触发内存损坏，以触发拒绝服务，并可能在主机系统上运行代码。

AI Predicted 8.1 Difficulty: Moderate EPSS 0.29% · P19

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth
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I. Basic Information for CVE-2021-29631

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In FreeBSD 13.0-STABLE before n246941-20f96f215562, 12.2-STABLE before r370400, 11.4-STABLE before r370399, 13.0-RELEASE before p4, 12.2-RELEASE before p10, and 11.4-RELEASE before p13, certain VirtIO-based device models in bhyve failed to handle errors when fetching I/O descriptors. A malicious guest may cause the device model to operate on uninitialized I/O vectors leading to memory corruption, crashing of the bhyve process, and possibly arbitrary code execution in the bhyve process.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
FreeBSD 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FreeBSD是Freebsd基金会的一套类Unix操作系统。 FreeBSD 存在安全漏洞，客户系统内的攻击者可以通过FreeBSD的bve触发内存损坏，以触发拒绝服务，并可能在主机系统上运行代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- FreeBSD FreeBSD 13.0-RELEASE before p4, 12.2-RELEASE before p10, 11.4-RELEASE before p13 -

II. Public POCs for CVE-2021-29631

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III. Intelligence Information for CVE-2021-29631

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Vendor Advisories for CVE-2021-29631 (1)

Other References for CVE-2021-29631 (1)

Same Patch Batch · n/a · 2021-08-30 · 48 CVEs total

CVE-2021-27018 Tenable信任管理问题漏洞
CVE-2021-33055 ZOHO ManageEngine ADSelfService Plus 操作系统命令注入漏洞
CVE-2021-37417 zoho manageengine adselfservice plus 授权问题漏洞
CVE-2021-35061 DRK Odenwaldkreis Testerfassung 跨站脚本漏洞
CVE-2021-35062 DRK Odenwaldkreis Testerfassung 操作系统命令注入漏洞
CVE-2021-36691 Github libjxl 安全漏洞
CVE-2021-36692 Github libjxl数字错误漏洞
CVE-2020-22848 CScms 安全漏洞
CVE-2021-36370 GNU Midnight Commander 授权问题漏洞
CVE-2021-29630 FreeBSD 缓冲区错误漏洞
CVE-2021-22021 VMware vRealize Log Insight 跨站脚本漏洞
CVE-2021-27019 Puppet 日志信息泄露漏洞
CVE-2021-27020 Puppet 安全漏洞
CVE-2021-22025 VMware vRealize Operations 授权问题漏洞
CVE-2021-22027 VMware vRealize Operations 代码问题漏洞
CVE-2021-22026 VMware vRealize Operations 代码问题漏洞
CVE-2021-22024 VMware vRealize Operations 日志信息泄露漏洞
CVE-2021-22023 VMware vRealize Operations 代码问题漏洞
CVE-2021-22022 VMware vRealize Operations 路径遍历漏洞
CVE-2021-38390 Delta Electronics DIAEnergie SQL注入漏洞

Showing top 20 of 48 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: FreeBSD
Same vendor: n/a

V. Comments for CVE-2021-29631

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